<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div style="margin-top: -50px;margin-bottom: 40px" class="title-container">
        <center><mallki class-name="mallki-text" /></center>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="请输入用户名/手机号/邮箱"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入登录密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>

      <div>
        <el-dialog title="人机身份验证" :visible.sync="outerVisible" center>
          <center><Recaptcha></Recaptcha></center>
          <div style="color: #ff4d51;font-size: 15px;font-family: 'Franklin Gothic Book',serif" slot="footer" class="dialog-footer">
            为了防止恶意登录,保护若兮系统安全,拦截恶意攻击或其它恶意行为,<br>以及反爬虫脚本,若兮安全团队规定,首次登录任何若兮相关系统,首先必须进行人机身份验证,之后每7天进行一次人机身份验证,验证成功为人类之后才能进行登录!
          </div>
        </el-dialog>
      </div>

      <center>
      <div class="tips">
        <span style="margin-right:20px;">请使用若兮系统管理员账号登录</span>
      </div>
      </center>

      <div class="tips" style="font-family: 'Comic Sans MS',serif;margin-top: 50px"><center><span>Copyright © 2020-2021 by RuoQing.love . All rights reserved.</span></center></div>

    </el-form>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import { mapMutations } from 'vuex';
import Mallki from '@/components/TextHoverEffect/Mallki'
import Recaptcha from "../../components/Recaptcha/index";
import Utils from '../../assets/js/util.js'

export default {
  name: 'Login',
	components: {
		Recaptcha,
		Mallki
	},
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确的管理员账号!'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 8) {
        callback(new Error('密码至少不少于8位数字、字母或特殊符号!'))
      } else {
        callback()
      }
    }
    return {
			outerVisible: false,
      loginForm: {
        username: '姚显',
        password: '1521806478'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
	mounted () {
		var vm = this
		Utils.$on('verification', function (msg) {
			vm.handleLogin()
		})
	},
  methods: {
		...mapMutations(['changeLogin','changeUser']),
    showVerification() {
			this.outerVisible = true
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
		handleLogin: function (key, value) {
			var vm = this
			let lastTime = Number(localStorage.getItem('verificationTime'))
			let thisTime = Date.now()
			let validTime = parseInt(thisTime - lastTime) / (1000 * 60 * 60 * 24)
			if (localStorage.getItem('verification') === 'success' && validTime < 7) {
				if (vm.loginForm.username === '') {
					vm.$message({
						message: '请输入正确的登录用户名/手机号/邮箱!',
						type: 'error',
						center: true
					});
				} else if (vm.loginForm.password === '') {
					vm.$message({
						message: '请输入正确的登录密码!',
						type: 'error',
						center: true
					});
				} else {
					key = 'username'
					this.axios({
						method: 'POST',
						url: 'http://localhost/admin/auth/login/admin',
						data: {
							username: vm.loginForm.username,
							password: vm.loginForm.password
						}
					}).then(function (resp) {
						if (resp.data.status === 'ok') {
							vm.$message({
								message: resp.data.message,
								type: 'success',
								center: true
							})
							vm.loading = false
							value = JSON.stringify(resp.data.userAuthorityDto)
							sessionStorage.setItem(key, value)
							sessionStorage.setItem('accessToken', resp.data.accessToken)
							vm.$router.push({path: '/'})
						} else {
							vm.$message({
								message: resp.data.message,
								type: 'error',
								center: true
							})
							vm.loading = false
						}
					})
				}
			}else {
				vm.showVerification()
			}
		 }
	}
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
